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Fused Bifocal Selection Chart
ARCHIVAL ITEMS
selection chart
British Ophthalmic Lens Manufacturers' Association
Europe: United Kingdom, England, London
20th c.
card
overall: 197 x 235 mm

Cardboard chart mounted on maroon red backing with suspension loops and white hanging cord. Printed with stock range chart plotting reading additions (dioptres) against segment side curves.


2002.281

Paul Fairbanks Archive



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